# Category Archives: Maths 1st ESO

## “Sweet number Pi” song

The number π is a mathematical constant, the ratio of a circle’s circumference to its diameter, commonly approximated as 3.14159. It has been represented by the Greek letter “π” since the mid-18th century, though it is also sometimes spelled out … Continue reading

## Adding and subtracting fractions with unlike denominators

To solve this problem, we need to find the least common multiple to get at the common denominator.

Posted in Maths 1st ESO
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